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Pedophilia ( alternatively spelled paedophilia) is a psychiatric disorder in which an adult or older adolescent experiences a primary or exclusive sexual attraction to prepubescent children. [1] [2] : vii Although girls typically begin the process of puberty at age 10 or 11, and boys at age 11 or 12, [3] psychiatric diagnostic criteria for ...
Dissociative identity disorder is characterized by the presence of at least two distinct and relatively enduring personality states. [3] [24] (p331) The disorder is accompanied by memory gaps more severe than could be explained by ordinary forgetfulness. [3] [24] (p331) [25] The personality states alternately show in a person's behavior; [3 ...
Tight building design, including energy-efficient windows, well-sealed doors, and additional thermal insulation of walls, basement slabs, and foundations can reduce heat loss by 25 to 50 percent. Dark roofs may become up to 39 °C (70 °F) hotter than the most reflective white surfaces. They transmit some of this additional heat inside the ...
Typographical symbols and punctuation marks are marks and symbols used in typography with a variety of purposes such as to help with legibility and accessibility, or to identify special cases. This list gives those most commonly encountered with Latin script. For a far more comprehensive list of symbols and signs, see List of Unicode characters.
Mass fraction (chemistry) In chemistry, the mass fraction of a substance within a mixture is the ratio (alternatively denoted ) of the mass of that substance to the total mass of the mixture. [1] Expressed as a formula, the mass fraction is: Because the individual masses of the ingredients of a mixture sum to , their mass fractions sum to unity:
Percent-encoding. URL encoding, officially known as percent-encoding, is a method to encode arbitrary data in a uniform resource identifier (URI) using only the US-ASCII characters legal within a URI. Although it is known as URL encoding, it is also used more generally within the main Uniform Resource Identifier (URI) set, which includes both ...
The article in The New York Times reported the comparison statistics for mobile edits stating that, "Only 20 percent of the readership of the English-language Wikipedia comes via mobile devices, a figure substantially lower than the percentage of mobile traffic for other media sites, many of which approach 50 percent. And the shift to mobile ...
The urbanization of the United States occurred over a period of many years, with the nation only attaining urban-majority status between 1910 and 1920. [2] Currently, over four-fifths of the U.S. population resides in urban areas, a percentage which is still increasing today. [2] The United States Census Bureau changed its classification and ...